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Study on Dynamic Characteristics of Hydrogen-oxygen Expansion Cycle Engine
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Libao DONG1, Zehao ZHANG2, Bo HE3, Wansheng NIE3
Missiles and Space Vehicles | 2024, 47(5) : 28 - 33
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Missiles and Space Vehicles | 2024, 47(5): 28-33
• Propulsion •
Study on Dynamic Characteristics of Hydrogen-oxygen Expansion Cycle Engine
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Libao DONG1, Zehao ZHANG2, Bo HE3, Wansheng NIE3
Affiliations
  • 1 Capital Aerospace Machinery Limited,Beijing,100076
  • 2 Taiyuan Satellite Launch Centre,Taiyuan,030000
  • 3 Space Engineering University,Beijing,101416
Published: 2024-10-25 doi: 10.7654/j.issn.2097-1974.20240505
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Taking the hydrogen-oxygen expansion cycle engine as the research object, based on the idea of modular modeling and simulation, the dynamic model of engine components is given, and the liquid rocket engine system model is constructed based on the working principle of the engine system, and the transient state of the hydrogen-oxygen expansion cycle engine is developed simulation Research. According to the simulation results and combined with the test data, the engine system model is verified and optimized, and the optimized model is simulated and calculated in the whole process of engine dynamics. The simulation results show that the main performance parameters during the dynamic change of the engine are in good agreement with the test data, which verifies the simulation model accuracy and design feasibility.

expansion cycle engine  /  system level simulation  /  dynamic characteristics  /  modular modeling  /  dynamical model
Libao DONG, Zehao ZHANG, Bo HE, Wansheng NIE. Study on Dynamic Characteristics of Hydrogen-oxygen Expansion Cycle Engine[J]. Missiles and Space Vehicles, 2024 , 47 (5) : 28 -33 . DOI: 10.7654/j.issn.2097-1974.20240505
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Article Info
doi: 10.7654/j.issn.2097-1974.20240505
  • Receive Date：2021-05-31
  • Online Date：2025-07-04
  • Published：2024-10-25
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History
  • Received：2021-05-31
  • Revised：2024-08-31
Affiliations
    1 Capital Aerospace Machinery Limited,Beijing,100076
    2 Taiyuan Satellite Launch Centre,Taiyuan,030000
    3 Space Engineering University,Beijing,101416
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表12种不同金属材料的力学参数
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Number of
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Number of
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Percentage of
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Genus		 种数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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